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Model-independent search for the decay B+-> l(+)nu(l)gamma

Abstract:

We present a search for the radiative leptonic decay B+→≤+ v≤ γ, where ≤=e, μ, using a data sample of 465×106 BB̄ pairs collected by the BABAR experiment. In this analysis, we fully reconstruct the hadronic decay of one of the B mesons in Υ(4S)→B+B- decays, then search for evidence of B+→≤+ν≤γ in the rest of the event. We observe no significant evidence of signal decays and report model-independent branching fraction upper limits of B(B+→e+νeγ)<17×10-6, B(B+→μ+νμγ)<24×10-6, and B(B+→e+ν...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.80.111105

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Journal:
PHYSICAL REVIEW D
Volume:
80
Issue:
11
Publication date:
2009-12-05
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:13b19270-162e-4e17-8767-ea0ca86e153a
Source identifiers:
211352
Local pid:
pubs:211352
Language:
English

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